The SLB0686A integrated circuit used in this application is not currently common. The circuit is from a 90s Elektor, applying only to incandescent lamps.
In fact, this circuit transmits a signal rich in harmonics without any tuning and can be picked up in a...
We found this circuit in the August 1994 issue of Electronics Now magazine. The circuit is based on...
The purpose of this circuit is to alternately activate a two-tone horn with low sound and a horn...